/**
  * Add form element
  *
  * @param Mage_XmlConnect_Model_Simplexml_Form_Element_Abstract $element
  * @param bool $after
  * @return Mage_XmlConnect_Model_Simplexml_Form
  */
 public function addElement(Mage_XmlConnect_Model_Simplexml_Form_Element_Abstract $element, $after = false)
 {
     if ($this->getForm()) {
         $this->getForm()->checkElementId($element->getId());
         $this->getForm()->addElementToCollection($element);
     }
     parent::addElement($element, $after);
     return $this;
 }